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TIL An Ubber Driver With A Concealed Handgun Stopped A Mass Shooting In Chicago.

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XPJR TIL all knots reduce the strength of the rope in which they are tied, generally by 20% to 40% of the unknotted strength.
Vl1D TIL that there is a black patch in the ceiling of Grand Central that is a symbol of what the ceiling used to look like, when smoking was allowed in Grand Central.
RyOj TIL of True History, considered the earliest form of science fiction written in 2nd century about adventurers who travel to outer space and get involved in interplanetary warfare between the king of the Moon and the king of the Sun
j6joR TIL that, on the eve of Goldfrapp's 2003 LP 'Black Cherry' hitting it's 20th Anniversary, the album cover's naked model wearing a rabbit mask is 'Game of Thrones' star, Gwendoline Christie.
PYEyE TIL That in 1973 IBM offered its UPC bar code proposal to the grocery industry for free. The industry accepted a very close standard to their proposal. However, IBM also made the first technology capable of reading the bar codes, and made tons of money selling the equipment to grocery stores.